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"Starting today, AC/DC'S entire catalog is now available digitally for the first time exclusively on the iTunes store worldwide," the band wrote.

And what a sprawling catalog it is: The newly remastered digital offerings cover 16 studio albums, four live albums and three compilation albums, stretching all the way back to their 1976 debut, "High Voltage," and--of course--also includes their 1980 classic, "Back in Black."

It's quite the about-face for the rockers, who've been vocal critics of iTunes in the past.

Rock Stars: Then and Now

"It's a monster, this thing," frontman Brian Johnson told Reuters about the Apple music service back in 2008. "It just worries me. And I'm sure they're just doing it all in the interest of making as much...cash as possible. Let's put it this way, it's certainly not for the...love, let's get that out of the way, right away."

AC/DC now joins the Beatles and Metallica among iTunes' high-profile critics-turned-converts.